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import {
computed,
nextTick,
onBeforeUnmount,
ref,
watch,
} from "vue";
import { RouterLink, useRoute, useRouter } from "vue-router";
import {
PjActionGroup,
PjButton,
PjField,
PjPageContainer,
PjStatusNotice,
PjSurface,
} from "@plain-journal/ui";
import type { ChatMessage } from "@plain-journal/foundation";
import {
ChatAccessChangedError,
type ChatAccessContext,
useCustomerChatStore,
} from "../entities/chat";
import { useSessionStore } from "../features/customer-session";
const route = useRoute();
const router = useRouter();
const session = useSessionStore();
const chat = useCustomerChatStore();
const draft = ref("");
const subject = ref("");
const messageLog = ref<HTMLElement | null>(null);
const accessContext = computed<ChatAccessContext>(() => ({
authenticated: session.authenticated,
ownerId: session.profile?.id ?? null,
accessToken: session.accessToken,
}));
const active = computed(() => chat.activeConversation);
const realtimePresentation = computed(() => ({
idle: {
tone: "neutral" as const,
title: "实时连接已关闭",
},
connecting: {
tone: "processing" as const,
title: "正在连接实时更新",
},
connected: {
tone: "success" as const,
title: "实时更新可用",
},
reconnecting: {
tone: "processing" as const,
title: "正在恢复实时更新",
},
unavailable: {
tone: "warning" as const,
title: "实时更新暂不可用",
},
}[chat.realtimeStatus]));
const workspaceErrorTone = computed(() =>
chat.error?.includes("尚未确认") || chat.error?.includes("暂时无法确认")
? "unknown" as const
: "danger" as const);
function formatTimestamp(value: string): string {
return new Date(value).toLocaleString("zh-CN", {
month: "2-digit",
day: "2-digit",
hour: "2-digit",
minute: "2-digit",
});
}
function conversationStatus(value: string): string {
return value === "OPEN" ? "处理中" : value === "CLOSED" ? "已结束" : value;
}
function messageStatus(message: ChatMessage): string {
return {
STORED: "已保存",
PERSISTED: "已保存",
DISPATCHED: "已进入投递",
DELIVERED: "已送达",
READ: "已读",
}[message.status] ?? message.status;
}
async function activateRoute(context = accessContext.value) {
try {
const conversationId = typeof route.params.conversationId === "string"
? route.params.conversationId
: null;
chat.setActiveConversation(context, conversationId);
if (!conversationId) {
return;
}
await Promise.all([
chat.loadActiveConversation(context),
chat.loadMessages(context, conversationId),
]);
await chat.markLatestRead(context);
} catch (cause) {
if (!(cause instanceof ChatAccessChangedError)) {
// The current workspace exposes its actionable error state.
}
}
}
async function createConversation() {
try {
const value = await chat.createConversation(accessContext.value, subject.value);
if (!value) {
return;
}
subject.value = "";
await router.push({
name: "support-chat-detail",
params: { conversationId: value.id },
});
} catch (cause) {
if (!(cause instanceof ChatAccessChangedError)) {
// The current workspace exposes its actionable error state.
}
}
}
async function retryConversation() {
try {
const value = await chat.retryPendingConversation(accessContext.value);
if (!value) {
return;
}
subject.value = "";
await router.push({
name: "support-chat-detail",
params: { conversationId: value.id },
});
} catch (cause) {
if (!(cause instanceof ChatAccessChangedError)) {
// The current workspace exposes its actionable error state.
}
}
}
async function sendMessage() {
try {
const value = await chat.sendText(accessContext.value, draft.value);
if (value) {
draft.value = "";
}
} catch (cause) {
if (!(cause instanceof ChatAccessChangedError)) {
// The current workspace exposes its actionable error state.
}
}
}
async function retrySend() {
try {
const value = await chat.retryPendingSend(accessContext.value);
if (value) {
draft.value = "";
}
} catch (cause) {
if (!(cause instanceof ChatAccessChangedError)) {
// The current workspace exposes its actionable error state.
}
}
}
async function closeActiveConversation() {
try {
await chat.closeConversation(accessContext.value);
} catch (cause) {
if (!(cause instanceof ChatAccessChangedError)) {
// The current workspace exposes its actionable error state.
}
}
}
async function reloadWorkspace() {
try {
await chat.refreshActive(accessContext.value);
} catch (cause) {
if (!(cause instanceof ChatAccessChangedError)) {
// The current workspace exposes its actionable error state.
}
}
}
watch(
accessContext,
async (context) => {
chat.synchronizeAccess(context);
draft.value = chat.pendingSend?.content ?? "";
subject.value = chat.pendingConversation?.subject ?? "";
if (!context.authenticated) {
return;
}
try {
await chat.loadConversations(context);
await activateRoute(context);
chat.connectRealtime(context);
} catch (cause) {
if (!(cause instanceof ChatAccessChangedError)) {
// The current workspace exposes its actionable error state.
}
}
},
{ immediate: true },
);
watch(
() => route.params.conversationId,
() => {
void activateRoute();
},
);
watch(
() => chat.messages.length,
async () => {
await nextTick();
if (messageLog.value) {
messageLog.value.scrollTop = messageLog.value.scrollHeight;
}
},
);
onBeforeUnmount(() => {
chat.disconnectRealtime();
});
</script>
<template>
<PjPageContainer as="section" size="wide" class="support-chat-page">
<nav class="support-path" aria-label="当前位置">
<RouterLink to="/account">账户</RouterLink>
<span aria-hidden="true">/</span>
<span>联系素简记</span>
</nav>
<header class="support-intro">
<div>
<p class="support-context">顾客支持</p>
<h1>联系素简记</h1>
<p>消息先写入可靠历史；实时连接只负责尽快把新事实带到当前页面。</p>
</div>
<PjStatusNotice
class="support-realtime"
:tone="realtimePresentation.tone"
:title="realtimePresentation.title"
>
<p>{{ chat.realtimeMessage }}</p>
<template v-if="chat.realtimeStatus !== 'connected'" #actions>
<PjButton
variant="text"
@click="chat.restartRealtime(accessContext)"
>
重新连接
</PjButton>
</template>
</PjStatusNotice>
</header>
<PjStatusNotice
v-if="chat.error"
class="support-error"
:tone="workspaceErrorTone"
:title="workspaceErrorTone === 'unknown' ? '会话结果待确认' : '会话事实未能读取'"
:assertive="workspaceErrorTone === 'danger'"
>
<p>{{ chat.error }}</p>
<template #actions>
<PjButton variant="text" @click="reloadWorkspace">重新读取会话</PjButton>
</template>
</PjStatusNotice>
<PjStatusNotice
v-if="chat.hasForeignPendingSend || chat.hasForeignPendingConversation"
class="support-owner-boundary"
tone="attention"
title="这个设备上有另一账户的待确认操作"
>
<p>当前账户不会读取其主题、正文或重试键，也不会替另一账户查询或重提。</p>
</PjStatusNotice>
<div class="support-workspace">
<PjSurface
as="aside"
tone="soft"
padding="medium"
class="support-conversations"
aria-label="我的会话"
>
<header class="support-section-heading">
<div>
<p class="support-context">会话</p>
<h2>正在处理的事项</h2>
</div>
<PjButton
variant="text"
:loading="chat.loadingConversations"
@click="chat.loadConversations(accessContext)"
>
刷新
</PjButton>
</header>
<PjStatusNotice
v-if="chat.loadingConversations && chat.conversations.length === 0"
tone="processing"
title="正在读取会话"
>
<p>只展示当前账户可访问的会话事实。</p>
</PjStatusNotice>
<PjStatusNotice
v-else-if="chat.conversations.length === 0"
tone="neutral"
title="还没有会话"
>
<p>说明需要帮助的事项后，再建立联系。</p>
</PjStatusNotice>
<nav v-else class="support-conversation-list" aria-label="会话列表">
<RouterLink
v-for="item in chat.conversations"
:key="item.id"
:to="{ name: 'support-chat-detail', params: { conversationId: item.id } }"
>
<span>
<strong>{{ item.subject }}</strong>
<small>
{{ item.assignedAgentId ? "客服已接入" : "等待客服接入" }}
· {{ conversationStatus(item.status) }}
</small>
</span>
<span v-if="item.unreadCount > 0" class="support-unread">
{{ item.unreadCount }} 条未读
</span>
</RouterLink>
</nav>
<form class="support-new-conversation" @submit.prevent="createConversation">
<PjField
v-slot="{ describedBy, invalid }"
label="这次需要什么帮助？"
for-id="support-subject"
hint="请只写事项主题，进入会话后再补充具体事实。"
required
>
<textarea
id="support-subject"
v-model.trim="subject"
class="pj-control"
required
maxlength="160"
rows="3"
:disabled="Boolean(chat.pendingConversation) || chat.hasForeignPendingConversation"
:aria-describedby="describedBy"
:aria-invalid="invalid"
placeholder="例如：想确认帆布通勤袋的清洁与保养方式"
/>
</PjField>
<PjButton
type="submit"
variant="secondary"
:loading="chat.creatingConversation"
:disabled="Boolean(chat.pendingConversation) || chat.hasForeignPendingConversation"
>
{{ chat.creatingConversation ? "正在建立…" : "建立会话" }}
</PjButton>
</form>
<PjStatusNotice
v-if="chat.conversationCreationError"
class="support-creation-result"
:tone="chat.conversationCreationUnknown ? 'unknown' : 'danger'"
:title="chat.conversationCreationUnknown ? '会话创建结果待确认' : '会话未能建立'"
:assertive="!chat.conversationCreationUnknown"
>
<p>{{ chat.conversationCreationError }}</p>
<template v-if="chat.pendingConversation" #actions>
<PjButton
variant="text"
:loading="chat.creatingConversation"
@click="retryConversation"
>
使用原创建键再次确认
</PjButton>
</template>
</PjStatusNotice>
</PjSurface>
<PjSurface
v-if="active"
as="section"
tone="plain"
padding="medium"
class="support-thread"
aria-labelledby="support-thread-title"
>
<header class="support-thread__header">
<div>
<p class="support-context">{{ active.conversationNo }}</p>
<h2 id="support-thread-title">{{ active.subject }}</h2>
</div>
<div class="support-thread__status">
<strong>{{ conversationStatus(active.status) }}</strong>
<span>{{ active.assignedAgentId ? "客服已接入" : "等待客服接入" }}</span>
<PjButton
v-if="active.status === 'OPEN'"
variant="text"
:loading="chat.closingConversationId === active.id"
@click="closeActiveConversation"
>
{{
chat.closingConversationId === active.id
? "正在确认关闭…"
: "结束会话"
}}
</PjButton>
</div>
</header>
<PjButton
v-if="chat.hasMore"
class="support-load-older"
variant="text"
:loading="chat.loadingOlder"
@click="chat.loadOlder(accessContext)"
>
{{ chat.loadingOlder ? "正在读取…" : "读取更早消息" }}
</PjButton>
<div
ref="messageLog"
class="support-message-log"
role="log"
aria-live="polite"
aria-relevant="additions text"
>
<PjStatusNotice
v-if="chat.loadingMessages && chat.messages.length === 0"
tone="processing"
title="正在读取消息历史"
>
<p>页面以服务端持久化历史为准。</p>
</PjStatusNotice>
<PjStatusNotice
v-else-if="chat.messages.length === 0"
tone="neutral"
title="会话已经建立"
>
<p>发送第一条文本消息后，客服才能了解具体问题。</p>
</PjStatusNotice>
<article
v-for="message in chat.messages"
:key="message.id"
class="support-message"
:class="{ 'support-message--self': message.senderId === session.profile?.id }"
>
<header>
<strong>
{{ message.senderId === session.profile?.id ? "我" : "素简记客服" }}
</strong>
<span>{{ formatTimestamp(message.createdAt) }}</span>
</header>
<p>{{ message.content }}</p>
<PjStatusNotice
v-if="message.attachments.length > 0"
class="support-attachment-boundary"
tone="attention"
title="附件仍在安全边界内"
>
<p>附件下载入口尚未开放；扫描、隔离与授权结果不能由实时消息替代。</p>
</PjStatusNotice>
<footer>{{ messageStatus(message) }} · 序号 {{ message.sequence }}</footer>
</article>
</div>
<form
v-if="active.status === 'OPEN'"
class="support-composer"
@submit.prevent="sendMessage"
>
<PjField
v-slot="{ describedBy, invalid }"
label="回复内容"
for-id="customer-chat-message"
hint="发送成功只表示消息已持久化；实时连接不是成功凭据。"
required
>
<textarea
id="customer-chat-message"
v-model="draft"
class="pj-control"
required
maxlength="4000"
rows="4"
:disabled="chat.sending || chat.sendUnknown || chat.hasForeignPendingSend"
:aria-describedby="describedBy"
:aria-invalid="invalid"
placeholder="写下需要客服了解的事实"
/>
</PjField>
<PjActionGroup>
<PjButton
type="submit"
:loading="chat.sending"
:disabled="chat.sendUnknown || chat.hasForeignPendingSend || !draft.trim()"
>
{{ chat.sending ? "正在确认消息事实…" : "发送消息" }}
</PjButton>
</PjActionGroup>
</form>
<PjStatusNotice
v-else
tone="neutral"
title="会话已经结束"
>
<p>历史消息仍可读取，但不能继续发送。</p>
</PjStatusNotice>
<PjStatusNotice
v-if="chat.sendError"
class="support-send-result"
:tone="chat.sendUnknown ? 'unknown' : 'danger'"
:title="chat.sendUnknown ? '消息发送结果待确认' : '消息未能发送'"
:assertive="!chat.sendUnknown"
>
<p>{{ chat.sendError }}</p>
<template v-if="chat.pendingSend" #actions>
<PjButton
variant="text"
:loading="chat.sending"
@click="retrySend"
>
使用原消息键查询并重试
</PjButton>
</template>
</PjStatusNotice>
<PjStatusNotice
v-if="chat.readError"
class="support-read-result"
tone="warning"
title="已读位置未能确认"
>
<p>{{ chat.readError }}</p>
<p>消息历史不受影响；未读数量会保留，直到可靠已读命令成功。</p>
</PjStatusNotice>
</PjSurface>
<PjSurface
v-else
as="section"
tone="plain"
padding="large"
class="support-thread support-thread--empty"
>
<p class="support-context">选择会话</p>
<h2>会话内容只在进入具体地址后读取。</h2>
<p>选择左侧事项，或建立一个新的会话。刷新页面后仍可恢复同一地址。</p>
</PjSurface>
</div>
</PjPageContainer>
</template>
<style scoped>
.support-chat-page {
padding-block: var(--pj-space-7) var(--pj-space-8);
}
.support-path {
display: flex;
gap: var(--pj-space-2);
margin-bottom: var(--pj-space-7);
color: var(--pj-text-secondary);
font-size: var(--pj-font-size-sm);
}
.support-intro {
display: grid;
grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.55fr);
gap: var(--pj-space-7);
align-items: start;
margin-bottom: var(--pj-space-6);
}
.support-intro h1 {
margin: 0;
font-size: var(--pj-font-size-xl);
font-weight: 520;
letter-spacing: -0.04em;
line-height: var(--pj-line-height-tight);
}
.support-intro > div > p:last-child {
max-width: var(--pj-layout-reading);
margin: var(--pj-space-4) 0 0;
color: var(--pj-text-secondary);
}
.support-context {
margin: 0 0 var(--pj-space-2);
color: var(--pj-text-secondary);
font-size: var(--pj-font-size-xs);
font-weight: 650;
letter-spacing: 0.1em;
text-transform: uppercase;
}
.support-realtime {
align-self: stretch;
}
.support-error,
.support-owner-boundary {
margin-bottom: var(--pj-space-5);
}
.support-workspace {
display: grid;
grid-template-columns: minmax(18rem, 0.36fr) minmax(0, 1fr);
gap: var(--pj-space-5);
align-items: stretch;
}
.support-conversations,
.support-thread {
min-width: 0;
}
.support-section-heading,
.support-thread__header {
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: var(--pj-space-4);
padding-bottom: var(--pj-space-5);
border-bottom: 1px solid var(--pj-border-subtle);
}
.support-section-heading h2,
.support-thread h2 {
margin: 0;
font-size: var(--pj-font-size-lg);
font-weight: 560;
}
.support-conversation-list {
display: grid;
}
.support-conversation-list a {
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: var(--pj-space-3);
padding-block: var(--pj-space-4);
border-bottom: 1px solid var(--pj-border-subtle);
text-decoration: none;
}
.support-conversation-list a.router-link-active {
color: var(--pj-brand-primary-hover);
}
.support-conversation-list a > span:first-child {
min-width: 0;
display: grid;
gap: var(--pj-space-1);
}
.support-conversation-list strong {
overflow-wrap: anywhere;
}
.support-conversation-list small,
.support-unread,
.support-thread__status,
.support-message footer {
color: var(--pj-text-secondary);
font-size: var(--pj-font-size-sm);
}
.support-unread {
flex: 0 0 auto;
}
.support-new-conversation,
.support-composer {
display: grid;
gap: var(--pj-space-4);
margin-top: var(--pj-space-6);
padding-top: var(--pj-space-5);
border-top: 1px solid var(--pj-border-subtle);
}
.support-creation-result,
.support-send-result,
.support-read-result {
margin-top: var(--pj-space-4);
}
.support-thread {
min-height: 42rem;
display: flex;
flex-direction: column;
}
.support-thread__status {
display: grid;
justify-items: end;
gap: var(--pj-space-1);
}
.support-thread__status strong {
color: var(--pj-text-primary);
}
.support-load-older {
align-self: center;
margin-block: var(--pj-space-3);
}
.support-message-log {
min-height: 22rem;
max-height: 34rem;
overflow-y: auto;
overscroll-behavior: contain;
padding-block: var(--pj-space-3);
}
.support-message {
max-width: 44rem;
display: grid;
gap: var(--pj-space-2);
padding: var(--pj-space-4) var(--pj-space-3);
border-top: 1px solid var(--pj-border-subtle);
}
.support-message--self {
margin-left: auto;
border-left: 0.2rem solid var(--pj-brand-primary);
}
.support-message header {
display: flex;
justify-content: space-between;
gap: var(--pj-space-4);
color: var(--pj-text-secondary);
font-size: var(--pj-font-size-sm);
}
.support-message p,
.support-message footer {
margin: 0;
}
.support-message > p {
overflow-wrap: anywhere;
white-space: pre-wrap;
line-height: var(--pj-line-height-relaxed);
}
.support-attachment-boundary {
margin-block: var(--pj-space-2);
}
.support-composer {
margin-top: auto;
}
.support-thread--empty {
justify-content: center;
}
.support-thread--empty > p:last-child {
max-width: var(--pj-layout-reading);
color: var(--pj-text-secondary);
}
@media (max-width: 64rem) {
.support-intro {
grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.65fr);
gap: var(--pj-space-5);
}
}
@media (max-width: 48rem) {
.support-intro,
.support-workspace {
grid-template-columns: 1fr;
}
.support-thread {
min-height: 34rem;
}
.support-message-log {
max-height: 30rem;
}
}
@media (max-width: 32rem) {
.support-section-heading,
.support-thread__header {
flex-direction: column;
}
.support-thread__status {
justify-items: start;
}
.support-message {
padding-inline: 0;
}
}
</style>
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